Wireless Communication Systems with Femto Nodes

1. A method of storing information in a user zone list, the method comprising: determining, at an access terminal, two or more communication interface types for an access node; determining, at the access terminal and based at least in part on one or more current conditions determined at the access terminal following detection of the access node, one or more user zones associated with the access node; and storing in the user zone list, for each of the one or more user zones, a respective user zone file for each of the two or more communication interface types based at least in part on determining the two or more communication interface types and determining the one or more user zones, wherein each user zone file includes respective information regarding a corresponding one of the two or more communication interface types of the access node, wherein the communication interface type of each of the two or more user zone files is indicated by one of a plurality of indicators that each correspond to one of a plurality of communication interface types.

2. The method of claim 1 , further comprising: determining that the access terminal is within one of the one or more user zones associated with the access node; and searching for the access node.

3. The method of claim 2 , wherein the one of the one or more user zones comprises one or more criteria associated with the access node.

4. The method of claim 1 , wherein the plurality of communication interface types include at least cdma2000-1×, HRPD, GSM, UMTS, UMB, WiMAX, or LTE.

5. The method of claim 1 , further comprising: storing information regarding the one or more user zones in the user zone list.

6. The method of claim 5 , wherein the information regarding the one or more user zones comprises one or more geographical areas.

7. The method of claim 5 , wherein the information regarding the one or more user zones comprises a pseudonoise offset.

8. The method of claim 5 , wherein the information regarding the one or more user zones comprises a time difference between two received reference signals.

9. The method of claim 5 , wherein the information regarding the one or more user zones comprises a subnet identifier.

10. The method of claim 5 , further comprising storing, in the user zone list, information regarding a number of user zones determined for the access node.

11. The method of claim 1 , wherein the two or more communication interface types for the access node are different from one another.

12. The method of claim 1 , wherein determining the one or more user zones associated with the access node further comprises: determining a first user zone for the access node having a first user zone communication interface type; determining a second user zone for the access node having a second user zone communication interface type different than the first communication interface type; storing information regarding the first user zone in the user zone list; and storing information regarding the second user zone in the user zone list, wherein the information regarding the second user zone comprises a reference to the information regarding the first user zone.

13. The method of claim 1 , wherein determining two or more communication interface types for the access node comprises determining a first communication interface type and determining a second communication interface type different than the first communication interface type, and wherein storing information regarding the determined communication interface types comprises storing information regarding the first communication interface type in a first user zone file in the user zone list and storing information regarding the second communication interface type in a second user zone file of the user zone list.

14. The method of claim 13 , wherein the second user zone file comprises a reference to the first user zone file.

15. The method of claim 1 , wherein the user zone list comprises data structures with information regarding one or more user zones.

16. The method of claim 1 , wherein each user zone file comprises information regarding a particular access node and one or more user zones associated with the particular access node.

17. An apparatus for storing information in a user zone list, the apparatus comprising: a processor configured to determine two or more communication interface types for an access node, and determine, based at least in part on one or more current conditions determined at the apparatus following detection of the access node, one or more user zones associated with the access node; and a memory configured to store in the user zone list, for each of the one or more user zones, a respective user zone file for each of the two or more communication interface types based at least in part on determining the two or more communication interface types and determining the one or more user zones, wherein each user zone file includes respective information regarding a corresponding one of the two or more communication interface types of the access node, wherein the communication interface type of each of the two or more user zone files is indicated by one of a plurality of indicators that each correspond to one of a plurality of communication interface types.

18. The apparatus of claim 17 , wherein the processor is further configured to determine that the apparatus is within one of the one or more user zones associated with the access node and to search for the access node.

19. The apparatus of claim 18 , wherein the one of the one or more user zones comprises one or more criteria associated with the access node.

20. The apparatus of claim 17 , wherein the communication interface types include at least cdma2000-1×, HRPD, GSM, UMTS, UMB, WiMAX, or LTE.

21. The apparatus of claim 17 , wherein the memory is configured to store information regarding the one or more user zones in the user zone list.

22. The apparatus of claim 21 , wherein the information regarding the one or more user zones comprises one or more geographical areas.

23. The apparatus of claim 21 , wherein the information regarding the one or more user zones comprises a pseudonoise offset.

24. The apparatus of claim 21 , wherein the information regarding the one or more user zones comprises a time difference between two received reference signals.

25. The apparatus of claim 21 , wherein the information regarding the one or more user zones comprises a subnet identifier.

26. The apparatus of claim 21 , wherein the memory is configured to store, in the user zone list, information regarding a number of user zones determined for the access node.

27. The apparatus of claim 17 , wherein at least one of the two or more communication interface types for the access node are different from one another.

28. The apparatus of claim 17 , wherein the processor configured to determine one or more user zones associated with the access node is further configured to determine a first user zone for the access node having a first user zone communication interface type and to determine a second user zone for the access node having a second user zone communication interface type different than the first communication interface type and wherein the memory is configured to store information regarding the first user zone in the user zone list and store information regarding the second user zone in the user zone list, wherein the information regarding the second user zone comprises a reference to the information regarding the first user zone.

29. The apparatus of claim 17 , wherein the processor is configured to determine a first communication interface type and to determine a second communication interface type different than the first communication interface type and wherein the memory is configured to store information regarding the first communication interface type in a first user zone file in the user zone list and to store information regarding the second communication interface type in a second user zone file of the user zone list.

30. The apparatus of claim 29 , wherein the second user zone file comprises a reference to the first user zone file.

31. The apparatus of claim 17 , wherein the user zone list comprises data structures with information regarding one or more user zones.

32. The apparatus of claim 17 , wherein each user zone file comprises information regarding a particular access node and one or more user zones associated with the particular access node.

33. A computer program product comprising: a non-transitory computer readable medium, comprising: code for causing a computer to determine, at an access terminal, two or more communication interface types for an access node; code for causing the computer to determine, at the access terminal and based at least in part on one or more current conditions determined at the access terminal following detection of the access node, one or more user zones associated with the access node; and code for causing the computer to store in the user zone list, for each of the one or more user zones, a respective user zone file for each of the two or more communication interface types based at least in part on determining the two or more communication interface types and determining the one or more user zones, wherein each user zone file includes respective information regarding a corresponding one of the two or more communication interface types of the access node, wherein the communication interface type of each of the two or more user zone files is indicated by one of a plurality of indicators that each correspond to one of a plurality of communication interface types.

34. The computer program product of claim 33 , wherein the computer readable medium further comprises: code for causing the computer to determine that the access terminal is within one of the one or more user zone zones associated with the access node; and code for causing the computer to search for the access node.

35. The computer program product of claim 33 , wherein the communication interface types include at least cdma2000-1x, HRPD, GSM, UMTS, UMB, WiMAX, or LTE.

36. The computer program product of claim 33 , wherein the computer readable medium further comprises: code for causing the computer to store information regarding the one or more user zones in the user zone list.

37. The computer program product of claim 36 , wherein the information regarding the one or more user zones comprises one or more geographical areas.

38. The computer program product of claim 36 , wherein the information regarding the one or more user zones comprises a pseudonoise offset.

39. The computer program product of claim 36 , wherein the information regarding the one or more user zones comprises a time difference between two received reference signals.

40. The computer program product of claim 36 , wherein the information regarding the one or more user zones comprises a subnet identifier.

41. The computer program product of claim 36 , wherein the computer readable medium further comprises code for causing the computer to store, in the user zone list, information regarding a number of user zones determined for the access node.

42. The computer program product of claim 33 , wherein the two or more communication interface types for the access node are different from one another.

43. The computer program product of claim 33 , wherein the code for causing the computer to determine the one or more user zones associated with the access node further comprises: code for causing the computer to determine a first user zone for the access node having a first user zone communication interface type; code for causing the computer to determine a second user zone for the access node having a second user zone communication interface type different than the first communication interface type; code for causing the computer to store information regarding the first user zone in the user zone list; and code for causing the computer to store information regarding the second user zone in the user zone list, wherein the information regarding the second user zone comprises a reference to the information regarding the first user zone.

44. The computer program product of claim 33 , wherein the code for causing the computer to determine two or more communication interface types for the access node comprises code for causing the computer to determine a first communication interface type and a second communication interface type different than the first communication interface type, and wherein the code for causing the computer to store information regarding the determined communication interface types comprises code for causing the computer to store information regarding the first communication interface type in a first user zone file in the user zone list and store information regarding the second communication interface type in a second user zone file of the user zone list.

45. The computer program product of claim 44 , wherein the second user zone file comprises a reference to the first user zone file.

46. An apparatus for storing information in a user zone list, the apparatus comprising: means for determining, at an access terminal, two or more communication interface types for an access node; means for determining, at the access terminal and based at least in part on one or more current conditions determined at the access terminal following detection of the access node, one or more user zones associated with the access node; and means for storing in the user zone list, for each of the one or more user zones, a respective user zone file for each of the two or more communication interface types based at least in part on determining the two or more communication interface types and determining the one or more user zones, wherein each user zone file includes respective information regarding a corresponding one of the two or more communication interface types of the access node, wherein the communication interface type of each of the two or more user zone files is indicated by one of a plurality of indicators that each correspond to one of a plurality of communication interface types.

47. The apparatus of claim 46 , further comprising: means for determining that the access terminal is within one of the one of more user zone zones associated with the access node; and means for searching for the access node.

48. The apparatus of claim 46 , wherein the communication interface types include at least cdma2000-1x, HRPD, GSM, UMTS, UMB, WiMAX, or LTE.

49. The apparatus of claim 46 , further comprising: means for storing information regarding the one or more user zones in the user zone list.

50. The apparatus of claim 49 , wherein the information regarding the one or more user zones comprises one or more geographical areas.

51. The apparatus of claim 49 , wherein the information regarding the one or more user zones comprises a pseudonoise offset.

52. The apparatus of claim 49 , wherein the information regarding the one or more user zones comprises a time difference between two received reference signals.

53. The apparatus of claim 49 , wherein the information regarding the one or more user zones comprises a subnet identifier.

54. The apparatus of claim 49 , further comprising means for storing, in the user zone list, information regarding a number of user zones determined for the access node.

55. The apparatus of claim 46 , wherein the two or more communication interface types for the access node are different from one another.

56. The apparatus of claim 46 , wherein the means for determining the one or more user zones associated with the access node further comprises: means for determining a first user zone for the access node having a first user zone communication interface type; means for determining a second user zone for the access node having a second user zone communication interface type different than the first communication interface type; means for storing information regarding the first user zone in the user zone list; and means for storing information regarding the second user zone in the user zone list, wherein the information regarding the second user zone comprises a reference to the information regarding the first user zone.

57. The apparatus of claim 46 , wherein the means for determining two or more communication interface types for the access node comprises means for determining a first communication interface type and means for determining a second communication interface type different than the first communication interface type, and wherein the means for storing information regarding the determined communication interface types comprises means for storing information regarding the first communication interface type in a first user zone file in the user zone list and means for storing information regarding the second communication interface type in a second user zone file of the user zone list.

58. The apparatus of claim 57 , wherein the second user zone file comprises a reference to the first user zone file.